Boyle's law is applicable in :

1. Isobaric process

2. Isochoric process

3. Isothermal process

4. Adiabatic process

Subtopic:  Gas Laws |
 84%
From NCERT
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The temperature of the gas is raised from 27°C to 927°C the root mean square velocity is        

1. 92727 times of the earlier value

2. same as before

3. halved

4. doubled

Subtopic:  Molecular Velocity |
 58%
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At lower temperature, all gases except H2 and He show:

1. Negative deviation

2. Positive deviation

3. Positive and negative deviation

4. None of the above

Subtopic:  van der Waal’s Correction |
 64%
From NCERT
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500 mL of nitrogen at 27°C are cooled to -5°C at the same pressure. The new volume becomes-      

1. 326.32 mL                     

2. 446.66 mL

3. 546.32 mL                     

4. 771.56 mL

Subtopic:  Gas Laws |
 82%
From NCERT
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A gas cannot be liquefied if:

1. Forces of attraction are low under ordinary conditions

2. Forces of attraction are high under ordinary conditions

3. Forces of attraction are zero under ordinary conditions

4. Forces of attraction are either high or low under ordinary conditions

Subtopic:  Liquefaction of Gases & Liquid |
 58%
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In the case of hydrogen and helium the van der Waals' forces are-

1. Strong                 

2. Very strong

3. Weak                   

4. None of the above

Subtopic:  van der Waal’s Correction |
 61%
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With the increase of pressure, the mean free path:

1. decreases                             

2. increases

3. becomes zero                       

4. remains the same

Subtopic:  Kinetic Theory of Gas |
 57%
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The compressibility factor of an ideal gas is:

1. zero                         

2. infinite

3. 1                               

4. -1

Subtopic:  Compressibility Factor |
 76%
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The correct value of the gas constant 'R' is close to 

1. 0.082 L atm K

2. 0.082 L atm K-1 mol-1

3. 0.082 L atm-1 K mol-1

4. 0.082 L-1 atm-1 K mol

Subtopic:  Ideal Gas Law |
 84%
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The partial pressure of a dry gas is:

1. less than that of wet gas

2. greater than that of wet gas

3. equal to that of wet gas

4. none of the above

Subtopic:  Dalton's Law |
 60%
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